Cognomen Караханьян (Караханьян 
, Karakhanyan 
, Karahanian 
) , globally, is a rare family name. The last name Караханьян is habitual in Armenia, where it is quite a rare surname, Czechia, where it is a rare surname, and Georgia. In absolute terms, it most frequently occurs in Armenia, Russia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Караханьян | Russia |
| Karakhanyan | Armenia, Greece, United States, Russia, Czechia |
| Karahanian | France, Chile, United States, Argentina |
| Karakhanian | Brazil, France, Georgia, United States, Russia |